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modified: src/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java

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weitere Element rausfiltern angefangen

	modified:   src/de/dhbwstuttgart/typeinference/unify/model/UnifyPair.java
Methode: getGroundBasePair eingefuegt
This commit is contained in:
Martin Plümicke 2018-10-11 00:45:59 +02:00
parent 54b4ad97f6
commit 241c7f37d9
2 changed files with 63 additions and 9 deletions
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59
src/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java
View File

@ -566,15 +566,29 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
.filter(x -> b.contains(x))
//.filter(y -> abhSubst.contains(y))
.collect(Collectors.toCollection(HashSet::new));
Set<PlaceholderType> vars = durchschnitt.stream().map(x -> (PlaceholderType)x.getLhsType()).collect(Collectors.toCollection(HashSet::new));
//Set<PlaceholderType> vars = durchschnitt.stream().map(x -> (PlaceholderType)x.getLhsType()).collect(Collectors.toCollection(HashSet::new));
int len = nextSetasList.size();
nextSetasList = nextSetasList.stream().filter(x -> {
//Boolean ret = false;
//for (PlaceholderType var : vars) {
// ret = ret || x.stream().map(b -> b.getLhsType().equals(var)).reduce((c,d) -> c || d).get();
//}
return (!x.containsAll(durchschnitt));
}).collect(Collectors.toCollection(ArrayList::new));
if (!durchschnitt.isEmpty()) {
UnifyPair groundBasepair = res.iterator().next().iterator().next().getGroundBasePair().get();
Set<UnifyPair> undefRes = res.stream().reduce((y,z) -> { y.addAll(z); return y;}).get();
Set<Set<UnifyPair>> reducedUndefResSubst = undefRes.stream()
.map(x -> x.getAllSubstitutions()).map(y -> { y.removeAll(durchschnitt); return y;})
.collect(Collectors.toCollection(HashSet::new));
Set<UnifyPair> resGroundBasepairs = undefRes.stream().map(x -> x.getGroundBasePair().get()).collect(Collectors.toCollection(HashSet::new));
if (res.size() > 1) {
System.out.println();
}
Set<UnifyPair> reducedAbhSubst = new HashSet<>(abhSubst);
reducedAbhSubst.removeAll(durchschnitt);
nextSetasList = nextSetasList.stream().filter(x -> {
//Boolean ret = false;
//for (PlaceholderType var : vars) {
// ret = ret || x.stream().map(b -> b.getLhsType().equals(var)).reduce((c,d) -> c || d).get();
//}
return (!x.containsAll(durchschnitt));
}).filter(y -> couldBecorrect(reducedAbhSubst, groundBasepair, y))
.collect(Collectors.toCollection(ArrayList::new));
}
writeLog("abhSubst: " + abhSubst.toString());
writeLog("a: " + a.toString());
writeLog("Durchschnitt: " + durchschnitt.toString());
@ -598,7 +612,34 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
return result;
}
protected boolean couldBecorrect(Set<UnifyPair> reducedAbhSubst, UnifyPair groundBasepair, Set<UnifyPair> nextElem) {
reducedAbhSubst.add(groundBasepair);
reducedAbhSubst.addAll(nextElem);
Optional<Set<UnifyPair>> substRes = rules.subst(reducedAbhSubst);
if (!substRes.isPresent()) {
return true;
}
else {
UnifyPair checkPair = substRes.get().stream().filter(x -> x.getGroundBasePair().get().equals(groundBasepair)).findFirst().get();
if ((checkPair.getLhsType() instanceof PlaceholderType) || (checkPair.getRhsType() instanceof PlaceholderType)) {
Set<UnifyPair> up = new HashSet<>();
up.add(checkPair);
Set<UnifyPair> undef = new HashSet<>();
calculatePairSets(up, fc, undef);
if (undef.isEmpty()) {
return true;
}
else {
return false;
}
}
else {
//Pair type <. type' betrachten TODO PL 2018-10-09
}
}
return true;
}
protected boolean isUndefinedPairSet(Set<UnifyPair> s) {
if (s.size() >= 1 ) {
Boolean ret = s.stream().map(x -> x.isUndefinedPair()).reduce(true, (x,y)-> (x && y));

13
src/de/dhbwstuttgart/typeinference/unify/model/UnifyPair.java
View File

@ -4,6 +4,7 @@ import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Optional;
import java.util.Set;
@ -151,6 +152,18 @@ public class UnifyPair {
return ret;
}
public Optional<UnifyPair> getGroundBasePair () {
if (basePair == null) {
return Optional.empty();
}
if (basePair.getBasePair() == null) {
return Optional.of(basePair);
}
else {
return basePair.getGroundBasePair();
}
}
public Boolean wrongWildcard() {
return lhs.wrongWildcard() || rhs.wrongWildcard();
}